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Registration is fast, simple and absolutely free so please,! The banners on the left side and below do not show for registered users! If you have any problems with the registration process or your account login, please contact. Can't open dudley combination lock. User Name Remember Me? I have been using this dudely combo lock for my locker room. Yesterday I tried to open it for more than 20 mins but it just wouldn't open.
(i am sure i have the right combination, since I put it down on a piece of paper and also saved it on my phone) I don't use this lock very often, but I do notice often I had to go 'over' the actual combination a bit to get it open.(e.g. If the last code is 54, usually I have to go pass it to 56-57 in order to get it open) Also, it had been getting harder and harder to open over the years.usually it takes 2-3 tries. But yesterday I tried 50+ times to get it to open, going exactly as the code, going pass the code slightly, going under the code slightly.etc Is there anything else I can do or try beside getting it cut open? I've had a Dudley, love the name, btw, 'DUD' since high school. That's what 45 years ago?
It still works to this day. Serial number lookup specs. Totally worn out, but I still remember the combination.
Nothing more embarrassing at school than not being able to open a fricken lock. Anyway, it could be you wrote down the wrong number. Damn, your avatar. No wAnder you can't focus, LOL. I'd be dyslexic, too.
All kidding aside, just get a pair of bolt cutters and be done with it. I'm assuming it is your lock and not one that belongs to a school or institution. If it does belong to a school, chances are they will have the combo on file - match the serial number on lock.
EDIT: Sometimes, if you pull on the lock, you can feel the tumblers (for lack of a better word) 'kick' in. It just one those combo lock you see in all the highschool locker i am 100% positive I have a right code and locker. I don't mind getting a new lock, but the management office said they don't have a bolt cutter (I doubt it.but whatever.) and I don't want to go get a giant bolt cutter just for cutting this one lock. Last time I cut the lock left by the previous owner, I had to use a rotary tools with cutting disc and it was a pita (took me almost 30 mins and then those disc would break and fly out and I was scared it would hit my face or neck.
Finding the 'First Locked Position'. Set the dial to 0. Apply full pressure upward on the shackle as if trying to open it. Rotate dial to the left (towards 10) hard until the dial gets locked. Notice how the dial is locked into a small groove.
If you're directly between two digits such as 3 and 4, release the shackle and turn the dial left further until you're into the next locked groove. However, if the dial is between two half digits (e.g., 2.5 and 3.5), then enter the digit in-between (e.g., 3) into First Locked Position in the calculator below. Finding the 'Second Locked Position'. Do all of the above again until you find the second digit below 11 that is between two half digits (e.g., 5.5 and 6.5), and enter the whole number (e.g., 7) into Second Locked Position in the calculator below.
Finding the 'Resistant Location'. Apply half as much pressure to the shackle so that you can turn the dial.
Rotate dial to the right until you feel resistance. Rotate the dial to the right several more times to ensure you're feeling resistance at the same exact location. Enter this number into Resistant Location.
If the resistance begins at a half number, such as 14.5, enter 14.5. Inputting the Numbers into My Calculator. Make sure all three numbers are entered into the calculator at the top of this page, then click Find Combos. We now have 20 possible combos, but we'll reduce this further. Keep reading! Finding the Right 'Third Digit'. Set the dial to the first possibility for the Third Digit.
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Apply full pressure upward on the shackle as if trying to open it. Turn the dial and note how much give there is.
Loosen the shackle and set the dial to the second possibility for the Third Digit. Apply full pressure upward on the shackle as if trying to open it. If there is more give on the second digit, click the second digit in the calculator above. Otherwise, click the first digit. Testing Out the 8 Combinations on Your Lock. You are left with 8 possible combinations.
Test them all until one works with the standard instructions below. Standard Instructions for Opening a Combination Lock. Turn right three times. Stop at First Digit. Turn left one full turn passing 1st number and stop at Second Digit. Turn right and stop at Third Digit. Pull shackle.
Hi Samy, Same as others here, I have an older lock from maybe 5-6 years ago, serial on bottom reads 1211CF. Same trouble. The dial locks at 2-3, so I skip.
The first locked position then is 5.5 and 6.5. Next, it locks between 9 and 9.8. Then the next locked position is 12.2 and 13.1. Next is 15.5 and 16.5.
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Kicker here is that I do know the combination on this lock, as it was never used and still has the sticker. Happy to work with you on this. Would like to help amend your code to make it universal if possible. I'd love to know the math too. I had to combine this with the 'in 100 tries or less' method.
The 3rd number was wrong, but easily found manually, the 1st number seems to be generated based on the resistance number, and even though it worked it wasn't the right number (only 1 digit off so maybe human error or glitch in the matrix) but regardless, 1 digit discrepancy still works in most cases. And my 2nd number was also only 1 digit off. But I could generate the right digit using the '100' algorithm. This all makes me REALLY want this formula, because I feel like with a little tweaks you can have a definitive 3rd, 1st, and maybe narrow down the 2nd.
Master Lock Serial Number List
It all makes me wanna grab a few more locks from the store to test some theories and equations If you used your formula, and compared your results with a well known matrix for master, one could perfect this Reply. I only have one number between 0 and 11.
I got a 8 and a 11. So I wasn't able to use your formula. Since it is a rotary dial I decide to try between 30 and 0 and I was able to get 35 and 38 with the resistance at 38. I added 10 in modulus 40 to each number and input the number into the calculator. The calculated result was then reconverted to get the correct dial number and on the second trial the lock opened.
My lock was 3,33 and 15 Amazing it works! But you need to change your calculator formula if somebody like me doesn't have two numbers between 0 and 11 (exclusive). Hi Samy, first of all, I got my lock open - so thanks!
It did take me a few more than eight tries though so I thought I'd give some feedback in case you're interested or someone else finds it helpful. My resistant location is around 19 which the calculator translates into a first digit of 24. However, my first digit is 25.
In fact, the resistant location is a little over 19, but closer to 19 than 19.5. I estimate it's about 19.15, which does give 25. Instead of rounding up and adding 5, maybe add the offset (5.85 for me) and then round to the nearest number?. My locking positions are 1, 4.5, 8. I discount the 4.5 because it's a range between two whole numbers (4-5) and enter 1 and 8 and get a last digit of 1 or 21 (or 8 and 28 depending on whether the first digit is right).
But my last digit is 25! The locking range around 25 is a bit more than at 4-5, so that it does cross 25 (24.2-25.4). So it's correct to discount a range between two whole numbers, but this discounts only that particular range, 4-5, but not also 14-15, etc. I got it by the traditional advice of writing down all 12 midpoints, then discounting the.5s and the whole numbers ending in the same digit. I tried this several times with different master locks and it worked as outlined (I am used to using the 100 try method), but I came across a lock today that it would not work on. It's a master lock with a red dial and keyhole in the back. The numbers on the dial do not line up the same way they do on a standard master.
I could not even do the 100 try method as I could not isolate the third digit. For this method however, I came close, but could not feel the Resistant Location. Thoughts anyone? That's a load of nonsense. How do you conclude that 'if something doesn't work on a how-to' it's probably the fault of the user? Do you see the dozens of people who have said it isn't working?
It's not working for me, either. But I don't suspect Samy is going to reimburse us all for the lost time. It's nice that he's doing this kind of thing - he's a good hacker.
I like his little programmed device, too. But if he hasn't checked with strong confidence, he shouldn't release it. He needs to do more work before publishing unreliable reports, and it's irresponsible to publish something like this without checking on all of the problems and making revisions.
He appears to have started trying a year ago, then he gave up. Instead of unpublishing this, he's left it up for thousands to try and fail. Discovered a lock I haven't seen in years, of course, combo was long gone. I tried the technique, fully believing it was full of crap.
The first and last numbers did NOT seem familiar.but I started trying middle numbers from the list, and lo and behold, the 4th number worked and the lock popped open. I totally felt like I did the whole instructions thing wrong because nothing really felt for sure like it was truly resistant, but anyway.worked for me and I have my pretty purple master lock back without having to buy another! Sammy I am truly amazed by how smart you are. I looked into your other stuff like phreaked out and your other articles. I want to start learning about these things. I'm somewhat tech savy but nothing like your status.
I'm not asking to learn how to hack because I know it's not as simple as that. It's a bit more specific it looks like. Where do I start? How long did it take you to be as wise as you are with all your stuff? I mean, you built your own freakin machine and for that I envy you.
Any tips, guides, or words of wisdom would be greatly appreciated! I have 2 locks I found in a storage box that I had lost the combination to. My first try with this hack worked immediately. The second lock, was a bit more challenging. I thought 0 was one of my locked numbers, but no!
I also missed the.5 on my resistance number. This gave me a 40 as a possible third number.
Impossible on this lock. I just kept at it until I had the accurate numbers to input in the calculator. So my advice, if you don't get a solution, is go back to square one and start over. Try adding.5 to your third number.
13.5) Good luck folks!
A: A) My lock does not have a serial number: To provide enhanced long–term security, Master Lock has discontinued imprinting a serial number on the lock body on combination locks sold through retail locations. For greater convenience, we encourage consumers to store their combination at our secure website, which is easy to use and offers 24/7 access. Unfortunately, we are unable to provide combinations for non–serialized locks. Please see of a serial number if you are unsure if your lock features one.
B) My lock has a serial number: Please see of a serial number if you are unsure if your lock features one. Choose from one of the two options below to obtain your combination: Note: Due to increased security concerns nationwide, Master Lock recognizes the heightened need for additional safety measures. We no longer provide lock combinations in response to phone, fax, or email requests. 1) Visit a Master Lock Distributor/Retailer.
Bring the lock to a Master Lock distributor or retailer. The lock must not be attached to anything. Important: If the lock is not brought to the retailer or distributor, we will not release the combination.
Ask the distributor or retailer to contact Master Lock for the combination on your behalf and we will validate ownership through them. US distributors may call. Canadian distributors may call. Please note that although Master Lock does not charge for this service, some distributors or retailers may charge a fee.
OR - 2) Submit a Lost Combination Form. Confirm that your lock features a serial number prior to submitting a Lost Combination Form. Please see of a serial number if you are unsure if your lock features one. Print out the Lost Combination Form from a.
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Have your Lost Combination Form notarized by a Notary Public to prove you are the owner of the lock. You can include up to 6 combinations on one notarized form. Note for inmates at a correctional facility: In addition to the Lost Combination Form, you must submit your request on official prison facility letterhead. In lieu of notarization, the Lost Combination Form must be signed by a prison facility official. Submit your form to.
A: You can obtain the Activation Code through one of the following options: 1) Visit a Master Lock distributor/retailer. Bring the lock to a Master Lock distributor or retailer. The lock must not be attached to anything. Ask the distributor or retailer to contact Master Lock for the Activation Code on your behalf using the Lock/Device ID which is engraved on the back of the lock and noted in the app under About This Lock as 'Device'. The Lock/Device ID starts with the letter A and is followed by 5 numbers or letters. US distributors may call 1-800-308-9244. Canadian distributors may call 1-800-227-9599.
Please note that although Master Lock does not charge for this service, some distributors or retailers may charge a fee. – OR – 2) Submit an Activation Code Retrieval Form. Print out the Activation Code Request Form from a Printer Friendly Page or download the. Have your Activation Code Request Form notarized by a Notary Public to prove you are the owner of the lock.
Evangelion jo psp english patch. You can include up to 6 Activation Codes on one notarized form.Note for inmates at a correctional facility: In addition to the Activation Code Request Form, you must submit your request on official prison facility letterhead. In lieu of notarization, the Activation Code Retrieval Form must be signed by a prison facility official. Mail your form to: Master Lock Company Bluetooth Smart Padlock Activation Code Request 137 W Forest Hill Ave.
Oak Creek WI 53154. Once the request is received, your Activation Code will arrive in approximately 1-2 weeks (if selecting mail as the delivery method.) FAQs by Category.
How to Order. Send in your order: Fax to 1-800-229-0081 on your school letterhead or on a school purchase order form. E-mail, provide us with the school name and full address.
Customer service will call you back to confirm order. For more information, contact our customer service department at 1-800-227-9599. Key Control Locks Control Chart: Each order of key control locks comes with a paper control chart that contains the serial number and the corresponding combination numbers. A school’s complete charted system is kept on file by dudley ®. Even though a paper control chart is forwarded with each order, there are three (3) other options available to receive said data in an Excel-file:.
Diskette. CD or.
E-mail Refer to caption Electronic Control (EC) on our School Order Form under DATA for cost in relation to the above captioned option. If you choose one of the above captioned options, make sure you specify the one you are selecting and if by e-mail, kindly provide us with the e-mail address. For further information, please do not hesitate to contact our Customer Service department at 1-800-227-9599. Lost Combination Retrieval In order for us to be able to provide you with the lost combination number(s), we will require the serial number(s) of the lock(s) in question. However, only records for the last 10 years are available.
For your information, the serial number is engraved at the bottom of the lock or on the back of the lock for the DY1525 or DYA400K. Warranty Our warranty on all serialized locks is two (2) years from date of purchase. Liability is limited to the replacement of our product only. The warranty does not cover damage resulting from mis-use or abnormal abuse.
All defective locks must be returned to us freight or postage prepaid (Collect shipments will not be accepted). Therefore, to reduce and avoid unnecessary shipping costs for locks beyond the guarantee period, we suggest that you first fax or e-mail the serial number of the defective locks to verify if still on warranty. Fax and e-mail address as follows: Fax: 1-800-229-0081 e-mail: Once your list has been verified, a Customer Service Representative will advise you which locks are still under warranty and how to proceed. Should defective locks need to be returned to our attention, we will provide you with a RA (Return Authorization) number which is required to be referenced on your school letterhead. Secondary Navigation Support Services.
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